Include `shuffles` in `PinnedConstraintSystem::fmt` #778

Job	Run time
Intra-doc links	4m 4s
Build target wasm32-unknown-unknown	6m 8s
Rustfmt	14s
Bitrot check	5m 19s
Build target wasm32-wasi	4m 3s
Test on ubuntu-latest with basic features	14m 7s
Test on windows-latest with basic features	22m 10s
Test on macOS-latest with basic features	15m 7s
Test on ubuntu-latest with all features	17m 31s
Test on windows-latest with all features	13m 49s
Test on macOS-latest with all features	19m 9s
	2h 1m 41s

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